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-rw-r--r--youtube_dl/extractor/lynda.py102
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diff --git a/youtube_dl/extractor/lynda.py b/youtube_dl/extractor/lynda.py
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+from __future__ import unicode_literals
+
+import re
+import json
+
+from .common import InfoExtractor
+from ..utils import ExtractorError
+
+
+class LyndaIE(InfoExtractor):
+ IE_NAME = 'lynda'
+ IE_DESC = 'lynda.com videos'
+ _VALID_URL = r'https?://www\.lynda\.com/[^/]+/[^/]+/\d+/(\d+)-\d\.html'
+
+ _TEST = {
+ 'url': 'http://www.lynda.com/Bootstrap-tutorials/Using-exercise-files/110885/114408-4.html',
+ 'file': '114408.mp4',
+ 'md5': 'ecfc6862da89489161fb9cd5f5a6fac1',
+ u"info_dict": {
+ 'title': 'Using the exercise files',
+ 'duration': 68
+ }
+ }
+
+ def _real_extract(self, url):
+ mobj = re.match(self._VALID_URL, url)
+ video_id = mobj.group(1)
+
+ page = self._download_webpage('http://www.lynda.com/ajax/player?videoId=%s&type=video' % video_id,
+ video_id, 'Downloading video JSON')
+ video_json = json.loads(page)
+
+ if 'Status' in video_json and video_json['Status'] == 'NotFound':
+ raise ExtractorError('Video %s does not exist' % video_id, expected=True)
+
+ if video_json['HasAccess'] is False:
+ raise ExtractorError('Video %s is only available for members' % video_id, expected=True)
+
+ video_id = video_json['ID']
+ duration = video_json['DurationInSeconds']
+ title = video_json['Title']
+
+ formats = [{'url': fmt['Url'],
+ 'ext': fmt['Extension'],
+ 'width': fmt['Width'],
+ 'height': fmt['Height'],
+ 'filesize': fmt['FileSize'],
+ 'format_id': fmt['Resolution']
+ } for fmt in video_json['Formats']]
+
+ self._sort_formats(formats)
+
+ return {
+ 'id': video_id,
+ 'title': title,
+ 'duration': duration,
+ 'formats': formats
+ }
+
+
+class LyndaCourseIE(InfoExtractor):
+ IE_NAME = 'lynda:course'
+ IE_DESC = 'lynda.com online courses'
+
+ # Course link equals to welcome/introduction video link of same course
+ # We will recognize it as course link
+ _VALID_URL = r'https?://(?:www|m)\.lynda\.com/(?P<coursepath>[^/]+/[^/]+/(?P<courseid>\d+))-\d\.html'
+
+ def _real_extract(self, url):
+ mobj = re.match(self._VALID_URL, url)
+ course_path = mobj.group('coursepath')
+ course_id = mobj.group('courseid')
+
+ page = self._download_webpage('http://www.lynda.com/ajax/player?courseId=%s&type=course' % course_id,
+ course_id, 'Downloading course JSON')
+ course_json = json.loads(page)
+
+ if 'Status' in course_json and course_json['Status'] == 'NotFound':
+ raise ExtractorError('Course %s does not exist' % course_id, expected=True)
+
+ unaccessible_videos = 0
+ videos = []
+
+ for chapter in course_json['Chapters']:
+ for video in chapter['Videos']:
+ if video['HasAccess'] is not True:
+ unaccessible_videos += 1
+ continue
+ videos.append(video['ID'])
+
+ if unaccessible_videos > 0:
+ self._downloader.report_warning('%s videos are only available for members and will not be downloaded' % unaccessible_videos)
+
+ entries = [
+ self.url_result('http://www.lynda.com/%s/%s-4.html' %
+ (course_path, video_id),
+ 'Lynda')
+ for video_id in videos]
+
+ course_title = course_json['Title']
+
+ return self.playlist_result(entries, course_id, course_title)